Pd-catalyzed cross-coupling of 1,1-diborylalkanes with aryl triflates†
Abstract
The Pd-catalyzed synthesis of benzylboronic esters through coupling of aryl triflates with 1,1-diborylalkane under ambient conditions is described. Varieties of primary and secondary arylboronic esters could be successfully synthesized by this strategy. Competitive reaction demonstrated that aryl C–OTf bond was more inert than aryl bromide.